1930 (10 Sep) cover from Moscow to Friedrichshafen, attractively franked with 11 different stamps, oval "Mit Luftschiff Graf Zeppelin Befordert" cachet, with arrival pmk, fine (Image)

Est.$500

1930 (10 Sep) cover from Moscow to Friedrichshafen, attractively franked with 10 different stamps, oval "Mit Luftschiff Graf Zeppelin Befordert" cachet, with arrival pmk, fine (Image)

Est.$500

1930 (10 Sep) cover and card, flown from Moscow to Friedrichshafen, attractively franked, with appropriate official cachets and arrival pmks, fine-v.f. (Cat No. C12-13) (Image)

Est.$100

1930 (10 Sep) cover and card, flown from Moscow to Friedrichshafen, attractively franked, with appropriate official cachets, two-line "Mit Luftschiff Graf Zeppelin Moskau-Friedrischafen" (type II - lower case letters) handstamps and arrival pmks, fine-v.f. (Cat No. C12-13) (Image)

Est.$100

1930 (10 Sep) cover and card, flown from Moscow to Friedrichshafen, attractively franked, with appropriate official cachets, two-line "Mit Luftschiff Graf Zeppelin Moskau-Friedrischafen" (type I - upper case letters) handstamps and arrival pmks, fine-v.f. (Cat No. C12-13) (Image)

Est.$100

1931 Polar Flight cover and card with imperforate North Pole set of four, flown from Leningrad, via North Pole (Icebreaker Malyguin) to Germany, v.f., with transit and arrival pmks (Image)

Est.$100

1931 Polar Flight cover and card with imperforate North Pole set of four, flown from Archangelsk-North Pole (Icebreaker Malyguin) to Germany, v.f., with appropriate cachets, transit and arrival pmks (Image)

Est.$150

1931 Polar Flight cover franked with the complete set of four perforated singles, registered from Leningrad, via North Pole to Moscow, v.f., with appropriate transit and arrival markings, rare set on cover, with 1993 Dr.Simon certificate (Image)

Est.$500

1932 5th SAF card registered from Moscow to Brazil, v.f., with Friedrichshafen transit and Pernambuco arrival pmks (Image)

Est.$500

1933 3rd SAF cover registered from Moscow, addressed to USA, high value franking with two 1r definitives, v.f., with Berlin connecting cachet and corresponding transit and arrival pmks (Image)

Est.$500

1933 4th SAF card registered from Moscow to Brazil, v.f., with Berlin connecting cachet and corresponding transit and arrival pmks (Image)

Est.$500

1933 8th SAF cover registered from Leningrad to Brazil, with Berlin connecting cachet, additional transit and arrival pmks on back, v.f. (Image)

Est.$500

1934 4th SAF cover from Alexandrovsk (Ukraine), via Friedrichshafen (4.8.34) to Brazil, attractively franked, with cachet "b" and "Mit Zeppelin Europa-Sudamerika" label, with Pernambuco arrival pmk on back (Image)

Est.$500

1934 3rd SAF (Argentina Flight) cover from Moscow via Berlin to Brazil, franked on both sides, with appropriate markings and arrival pmk, cover roughly opened at top, otherwise v.f. (Image)

Est.$500